Increase Image Size - Javascript

Hi,
I have tried to incorporate an image increase and decrease on mouseover from an earlier posting.
Can anyone help me do this with multiple images?

Here is the html page I have as a sample:

[HTML]<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-us">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<meta http-equiv="Content-Language" content="en-us" />
<meta http-equiv="Content-Style-Type" content="text/css" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<meta http-equiv="date" content="2003-12-02T09:54:03+08:00" />
<meta http-equiv="imagetoolbar" content="no" />

<title>Dynamically enlarge image on mouseover and mouseout</title>

<style type="text/css">
body {margin:64px;}
#apDiv1 {
position:absolute;
left:361px;
top:161px;
width:186px;
height:144px;
z-index:1;
}
#apDiv2 {
position:absolute;
left:306px;
top:127px;
width:300px;
height:164px;
z-index:1;
}
#apDiv3 {
position:absolute;
left:188px;
top:116px;
width:100px;
height:75px;
z-index:1;
}
#apDiv4 {
position:absolute;
left:387px;
top:113px;
width:100px;
height:75px;
z-index:2;
}
</style>

<script type="text/javascript">
// <![CDATA[
var glbInc, glbDec;

function decreaseSizeImage() // will get back to its normal default size
{
if(glbInc != null) {clearTimeout(glbInc); glbInc = null;};
if (document.getElementById("image1").height > 100)
{
document.getElementById("image1").height -= 30;
document.getElementById("image1").width -= 40;
glbDec = setTimeout("decreaseSizeImage()", 32);
};
}

function increaseSizeImage()
{
if(glbDec != null) {clearTimeout(glbDec); glbDec = null;};
if (document.getElementById("image1").height < 216)
{
document.getElementById("image1").height += 30;
document.getElementById("image1").width += 40;
glbInc = setTimeout("increaseSizeImage()", 32);
};
}
// ]]>
</script>

</head>

<body>
<div id="apDiv3"><a href="#" onmouseover="increaseSizeImage();"
onmouseout="decreaseSizeImage();"><img id="image2"
src="images/plastic/HDPE/HDPE COLOR.jpg" width="100" height="75" alt="color" id="image2" /></a></div>
<p> </p>
<div id="apDiv4"><a href="#" onmouseover="increaseSizeImage();"
onmouseout="decreaseSizeImage();"><img id="image1"
src="plastic/hdpe/HDPE Parts.JPG"
width="100" height="75" alt="Krusty is helpless" /></a></div>
<p> </p>

<p id="validation"> </p>

</body></html>[/HTML]

Aug 26 '07 #1

Subscribe Post Reply

4108

r035198x

13,262

8TB

Hi,
I have tried to incorporate an image increase and decrease on mouseover from an earlier posting.
Can anyone help me do this with multiple images?

Here is the html page I have as a sample:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-us">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<meta http-equiv="Content-Language" content="en-us" />
<meta http-equiv="Content-Style-Type" content="text/css" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<meta http-equiv="date" content="2003-12-02T09:54:03+08:00" />
<meta http-equiv="imagetoolbar" content="no" />

<title>Dynamically enlarge image on mouseover and mouseout</title>

<style type="text/css">
body {margin:64px;}
#apDiv1 {
position:absolute;
left:361px;
top:161px;
width:186px;
height:144px;
z-index:1;
}
#apDiv2 {
position:absolute;
left:306px;
top:127px;
width:300px;
height:164px;
z-index:1;
}
#apDiv3 {
position:absolute;
left:188px;
top:116px;
width:100px;
height:75px;
z-index:1;
}
#apDiv4 {
position:absolute;
left:387px;
top:113px;
width:100px;
height:75px;
z-index:2;
}
</style>

<script type="text/javascript">
// <![CDATA[
var glbInc, glbDec;

function decreaseSizeImage() // will get back to its normal default size
{
if(glbInc != null) {clearTimeout(glbInc); glbInc = null;};
if (document.getElementById("image1").height > 100)
{
document.getElementById("image1").height -= 30;
document.getElementById("image1").width -= 40;
glbDec = setTimeout("decreaseSizeImage()", 32);
};
}

function increaseSizeImage()
{
if(glbDec != null) {clearTimeout(glbDec); glbDec = null;};
if (document.getElementById("image1").height < 216)
{
document.getElementById("image1").height += 30;
document.getElementById("image1").width += 40;
glbInc = setTimeout("increaseSizeImage()", 32);
};
}
// ]]>
</script>

</head>

<body>
<div id="apDiv3"><a href="#" onmouseover="increaseSizeImage();"
onmouseout="decreaseSizeImage();"><img id="image2"
src="images/plastic/HDPE/HDPE COLOR.jpg" width="100" height="75" alt="color" id="image2" /></a></div>
<p> </p>
<div id="apDiv4"><a href="#" onmouseover="increaseSizeImage();"
onmouseout="decreaseSizeImage();"><img id="image1"
src="plastic/hdpe/HDPE Parts.JPG"
width="100" height="75" alt="Krusty is helpless" /></a></div>
<p> </p>

<p id="validation"> </p>

</body></html>

Moved to Javascript forum

Aug 27 '07 #2

phvfl

173

Expert 100+

Put an argument into the decreaseSizeImage and increaseSizeImage functions which passes in the ID of the object. This could be reduced further using the 'this' keyword to pass in the object.

Expand|Select|Wrap|Line Numbers

 
function decreaseSizeImage(imgID) // will get back to its normal default size

{

if(glbInc != null) {clearTimeout(glbInc); glbInc = null;};

if (document.getElementById(srcID).height > 100)

{

document.getElementById(srcID).height -= 30;

document.getElementById(srcID).width -= 40;

glbDec = setTimeout("decreaseSizeImage()", 32);

};

}
 
function increaseSizeImage(src)

{

if(glbDec != null) {clearTimeout(glbDec); glbDec = null;};

if (document.getElementById(srcID).height < 216)

{

document.getElementById(srcID).height += 30;

document.getElementById(srcID).width += 40;

glbInc = setTimeout("increaseSizeImage()", 32);

};

}

[HTML]
<body>
<div id="apDiv3"><a href="#" onmouseover="increaseSizeImage('image2');"
onmouseout="decreaseSizeImage('image2');"><img id="image2"
src="images/plastic/HDPE/HDPE COLOR.jpg" width="100" height="75" alt="color" id="image2" /></a></div>
<p> </p>
<div id="apDiv4"><a href="#" onmouseover="increaseSizeImage('image1);"
onmouseout="decreaseSizeImage('image1');"><img id="image1"
src="plastic/hdpe/HDPE Parts.JPG"
width="100" height="75" alt="Krusty is helpless" /></a></div>
<p> </p>
[/HTML]

PS Please use code tags to seperate your code as it makes the code easier to read. There is a guide here

Aug 27 '07 #3

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